Question

if 1/2 is a root of equation x2+kx-5/4=0 then the value of k is
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Answer 1

Answer:

1/2 is a root of equations ten x=1/2

1/4+k×1/2-5/4=0

1/4+k/2-5/4=0

1/4+2k-4/4=0

k=3/2